Business card punch



FIG. 1 is a side elevational view of a business card punch, showing my new design.

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a bottom plan view; and

FIG. 6 is a perspective view thereof. 

The ornamental design for a business card punch, as shown. 